mirror of
https://github.com/rjNemo/underscore
synced 2026-06-06 10:36:43 +00:00
Ruidy
1031038d42
- Add `Chunk` to split slices into groups of size n. - Add `ContainsBy` for predicate-based containment checks. - Add `UniqueBy` to deduplicate slices by key selector. - Add `ParallelMap` for concurrent mapping with context and error handling. - Add `maps.Keys` and `maps.Values` helpers for extracting map keys/values. - Update README and docs for new features. - Refactor `Contains` to use `slices.Contains`.
20 lines
425 B
Go
20 lines
425 B
Go
package underscore_test
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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u "github.com/rjNemo/underscore"
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)
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func TestUniqueBy(t *testing.T) {
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type user struct {
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ID int
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Email string
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}
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in := []user{{1, "a@x"}, {2, "b@x"}, {3, "a@x"}, {4, "c@x"}, {5, "b@x"}}
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out := u.UniqueBy(in, func(u user) string { return u.Email })
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want := []user{{1, "a@x"}, {2, "b@x"}, {4, "c@x"}}
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assert.Equal(t, want, out)
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}
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